KERALA PUBLIC SCHOOLS

HOME ASSIGNMENT (14TH

TO 31ST

AUG)

CLASS SUBJECT TOPIC / CHAPTER

MODULE / ASSIGNMENT REFERENCE LINKS

IV ENGLISH

LANGUA

GE

ENG

LANG

10/08/2020

12/08/2020

14/08/2020

17/08/2020

Worksheet -I

I. Fill in the blanks by choosing the correct form of ouns given in the

brackets. 1. Mrs Sen has four _________ (child / children).

2.___________(Baby / Babies) love playing with rattles.

3. I saw a _________ (mouse / mice) running by.

4. I love flying _________(kite / kites).

5. Avi gave _________(watch / watches) to his friends.

II. Change the singular nouns to plural and the plural nouns to singular.

Make other necessary changes. 1. The women told stories to the children.

2. The leaf fell from the tree.

3.The boy listened to the radios.

4.The girls played with the goose.

5.The cherry grew on the tree.

6.The men travelled across the city.

III. Identify the errors and rewrite these sentences. 1.The babys cried loudly as their toyes were broken.

2.The thiefs broke open the lockeres and stole the ring.

3.The passengers were waiting for their trains at the station.

4.Renee loved storys about fairys and elfs.

5. Nishu cut the tomatos in halfs.

IV. Identify the highlighted nouns as countable [C] or uncountable [U]. 1. The children were playing in the rain.

2. I drink milk every day.

3. Scientists are trying to find a solution for global warming.

4. I mixed the butter in the mixture of flour, sugar and eggs to make the batter.

5. Rahul applied glue on one side of cut-outs and pasted them on a chart paper.

https://youtu.be/UXNX

XhegNiQ

https://youtu.be/opjHnk

G2U_o

https://youtu.be/Ki7gfS-

c06k

19/08/2020

21/08/2020

22/08/2020

24/08/2020

26/08/2020

V. Underline the words with the incorrect prefix. Rewrite these sentences …..correctly. 1. Melvin forgot to unconnect the plug from the socket.

2. It was the poor woman’s unfortune that she lost the job.

3. Reema is loyal and misselfish.

4. The man was very upolite and rude.

5. A inloyal friend is extremely harmful.

VI. Fill in the blanks with words that are formed by adding the suffix in …...the bracket

to.the words in the box. My brother loses his pens every other day. He is a __________boy. (-less)

We must be________towards elders. (-ful)

After the thunderstorm, there was _________all around. (-ness)

Sanya stacked the clothes________ in the cupboard. (-ly)

A good_________must keep his followers happy. (-er)

VII. Rewrite these sentences by inserting appropriate punctuation marks. Who has broken his mirror

All that glitters is not gold

How dreadful the accident was

Brilliant you solved the puzzle

What a beautiful design she is making

VIII. Change these declarative sentences into interrogative sentences. Ravi is going to visit the dentist.

I will go to Nainital by train.

My favourite cuisine is Thai.

It was a great learning experience.

Mr Roy left before the guests arrived.

IX. Complete these sentences by adding a negative sentences after but. They have a lot of free time but ________________________ .

I enjoy watching cricket but ___________________________ .

Derek likes playing outside but _________________________ .

Ruchi completed her homework _________________________.

Tiya has a swimming costume but________________________.

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31/08/2020

X. Identify wether these sentences are assertive (A), interrogative (In), ….imperative

(Im), or exclamatory (E). 1. Do not pollute the environment.

2. What can I do for you?

3. Please wait for your turn.

4. Hyderabad is famous for its pearls.

5. How wonderful the weather is!

XI. Write the plural form of the following nouns. Leaf –

Knife –

City –

Monkey –

Mango –

Piano –

Answers :-

I. Fill in the blanks by choosing the correct form of ouns given in the

brackets. children

babies

mouse

kites

watches

II. Change the singular nouns to plural and the plural nouns to singular.

Make other necessary changes. The woman told a story to the child.

The leaves fell from the trees.

The boys listened to the radios.

The girl played with the geese.

The cherries grew on the trees.

The man travelled across the cities.

III. Identify the errors and rewrite these sentences. The babies cried loudly as their toys were broken.

The thieves broke open the lockers and stole the ring.

The passengers were waiting for their trains at the station.

Renee loved stories about fairies and elves.

Nishu cut the tomatoes in halves.

IV. Identify the highlighted nouns as countable [C] o uncountable [U]. C

U

C

C

U

V. Underline the words with the incorrect prefix. Rewrite these sentences …..correctly. 1. Melvin forgot to disconnect the plug from the socket.

2. It was the poor woman’s misfortune that she lost the job.

3. Reema is loyal and unselfish.

4. The man was very impolite and rude.

5. A disloyal friend is extremely harmful.

VI. Fill in the blanks with words that are formed by adding the suffix in …...the bracket

to.the words in the box. careless

respectful

darkness

neatly

leader

VII. Rewrite these sentences by inserting appropriate punctuation marks. Who has broken his mirror?

All that glitters is not gold.

How dreadful the accident was!

Brilliant! you solved the puzzle.

What a beautiful design she is making!

VIII. Change these declarative sentences into interrogative sentences. Is Ravi going to visit the dentist?

Will I go to Nainital by train?

Is my favourite cuisine Thai?

Was it a great learning experience?

Did Mr Roy leave before the guests arrived?

IX. Complete these sentences by adding a negative sentence after but. 1.They have a lot of free time but they do not go out anywhere.

2. I enjoy watching cricket but I do not like to play.

3.Derek likes playing outside but his mother does not allow him.

4.Ruchi completed her homework but she did not bring her notebook.

5.Tiya has a swimming costume but she does not wear it.

X. Identify wether these sentences are assertive (A), interrogative (In), ….imperative

(Im), or exclamatory (E). 1. Im

2. In

3. Im

4. A

5. E

XI. Write the plural form of the following nouns. 1. leaves

2. knives

3. cities

4. monkeys

5. mangoes

6. pianoes

ENG.LIT David

Copperfield-My

Earliest

Memories

18.8.2020

Note : Please copy the worksheet in your English Literature notebook and answer it.

Practice worksheet-I

I) Antonyms

a)earliest x

b) suddenly x

c)instantly x

d) strange x

e) die x

f) child x

g) mistress x

h) vexed x

https://youtu.be/PKdLY

Z9qwW0

https://youtu.be/PKdLYZ9qwW0https://youtu.be/PKdLYZ9qwW0

20.8.2020

i) poor x

j) soon x

II) Give one word answer

a)worried -

b) married again-

c) without a person going together with somebody /something –

d) to say something or make a noise in a way that shows you are offended or annoyed –

III) Fill in the blanks:- a)David was born on a ___________

at midnight.

b)My mother lived alone and she was very _____________.

c) Peggotty and David went to her brother’s house in ______________.

IV) Write true or false:-

1)Dr Chillip is the narrator of the story.

2) David’s mother lived alone .

3) Mrs Betsey was very happy when David was born.

4)Mr Murdstone was David’s real father.

ANSWER KEY

I)Antonyms

a) latest

b)gradually

c)slowly

d)familiar

e)live

f)adult

g)servant

h)calm

i)rich

j)late

25.8.2020

II)Give one word answer:-

a)vexed

b)remarried

c)unaccompanied

d)huff

III)Fill in the blanks:-

a) Friday

b)vexed

c)Yarmouth

IV)Write true or false:-

a) false

b)true

c)false

d)false

Practice worksheet-II

V)Answer the following questions with reference to context

i. It can’t be ! I shall leave this place immediately. a) Who said these words and to whom?

b)What was the event which had taken place?

2) A few days …………… life forever.

a)Who said these words?

b)Where was he when he said these words?

VI) Answer the following questions in one or two words:-

1)Who came to visit mother on the day David was born?

2)What did Mrs Betsey want to name the child?

3)Where did David go with Peggotty ?

4) What was the name of David’s stepfather?

27.8.2020

Make sentences with the following words:-

1. memories

2.instantly

3. visit

Answer key

V)Answer the following questions with reference to context:-

1a ans) Mrs Betsey Trotwood said these words to David’s mother.

bans)Mrs Copperfield gave birth to a baby boy.

2a ans)David Copperfield said these words.

bans)He was at Peggotty’s brother’s house in Yarmouth when he said these words.

VI)Answer the following questions in one or two words:-

1ans)Mrs Betsey Trotwood

2ans)Ms Betsey Trotwood Copperfield

3ans)Yarmouth

4ans)Mr Murdstone.

Make sentences

iv. memories-My grandmother often shares her childhood memories with me. v. instantly – The dog recognized his master's voice instantly. vi. Visit – l visit my grandparents place twice a week.

HINDI

LANG सर्वनाम

10/08/2020

१. सही वर्कल्प चुनकर खाली स्थान भरें

क . मुझे घर जाना है I

मैं ( ) मुझे ( ) मैनें ( )

ख . बाज़ार से कुछ लेकर ही लौटना I

कुछ ( ) कोई ( ) कौन ( )

ग . कुलप्रीत अपना काम खुद करती है I

खुद ( ) तुम्हें ( ) हमारा ( )

घ. हम वमलकर पढेंगे

हम ( ) उसे ( ) हमारा ( )

11/08/2020

२. इनके बहुर्चन रूप को वलखें

क . र्ह - रे्

ख . मैं – हम

ग . इसने – इन्होनें

घ . आप – आपलोग

ङ . उसका – उनका

च . उसे – उन्हें

12/08/2020

13/08/2020

३. वदए गए सर्वनाम शब्ोों के भेद बताएँ

क . मेरा – पुरुषर्ाचक सर्वनाम

ख . कुछ – अवनश्चयर्ाचक सर्वनाम

ग . कौन – प्रश्नर्ाचक सर्वनाम

घ . यह – वनश्चयर्ाचक सर्वनाम

ङ जो, र्ह – सम्बन्धर्ाचक सर्वनाम

४. वनम्नवलखखत र्ाक्ोों में सही सर्वनाम शब् का प्रयोग कर दोबारा वलखें

क . तेरे को आम खाना है

उत्तर – तुम्हें आम खाना है ?

ख . मेरे को भूख लगी है

उत्तर – मुझे भूख लगी है

ग . उसने कल आना है I

उत्तर – उसे कल आना है

घ . हमको ऑस्ट्रेवलया जाना है I

उत्तर – मुझे ऑस्ट्रेवलया जाना है I

अनेकार्थी शब्द

14/08/2020

स्वर – आवाज़ , वर्णमाला के अक्षर

तीर – बार् , नदी का ककनारा

उत्तर – कदशा , जवाब

रस – ककसी भी फल का रस , आनंद

अर्थण – कारर् , धन

हार – माला ,पराजय

कर – हार्थ , लगान

अंक – कगनती , गोद

HINDI LIT चााँदनी जीती 10/08/2020

11/08/2020

शब्दार्थण

स्वतंत्रता = आज़ादी

कवश्वास = भरोसा

ख्याल = कवचार

उदास = सुस्त

कायरता = डरपोकपन

बेदम = बेजान

एक या दो शब्दो ंमें उत्तर दें

कहमालय पर बसी पहाड़ी बस्ती का क्या नाम है?

उत्तर : अल्मोड़ा

अबू्ब कमयााँ को क्या पालने का शौक र्था?

उत्तर : बकररयााँ

पहाड़ से कैसी आवाज़ आई ?

उत्तर : खूाँ – खूाँ

भेकड़या कैसा र्था ?

उत्तर : खूाँखार

अंत में कौन जीता?

उत्तर : चााँदनी

बकररयो ंको क्या चीज़ अकधक प्यारी र्थी?

उत्तर : स्वतंत्रता

12/08/2020

खाली जगह भरें -

बकरी का नाम चााँदनी र्था I

अबू्ब कमयााँ गरीब रे्थI

पहाड़ पर एक भेकड़या रहता र्था I

शाम का वक़्त हुआ I

ठंडी हवा चलने लगी I

13/08/2020

एक वाक्य में उत्तर दें

१. इस बार अबू्ब कमयााँ ने अपनी बकरी का क्या नाम रखा ?

उत्तर : इस बार अबू्ब कमयााँ ने अपनी बकरी का नाम चााँदनी रखा I

२. चााँदनी पहाड़ पर पहुाँची तो उसे कैसा लगा ?

उत्तर : चााँदनी पहाड़ पर पहुाँची तो उसकी ख़ुशी का कठकाना ना रहा I

३. घर के बाहर क्या र्था?

उत्तर : घर के बहार एक छोटा - सा खेत र्था I

४. इस पाठ में ककसका महत्त्व बताया गया है?

उत्तर : इस पाठ में स्वतंत्र जीवन का महत्त्व बताया गया है I

६. चााँदनी और भेकड़ये की लड़ाई को कौन देख रही र्थी?

उत्तर : पेड़ पर बैठी कचकड़यााँ दोनो ंकी लड़ाई को देख रही र्थी ंI

14/08/2020 वाक्य बनाएाँ

कवश्वास – सच्चा कमत्र कवश्वास करने योग्य होता हैI

स्वतंत्रता – स्वतंत्रता सभी जीवो ंको प्यारी है I

बेदम – कबल्ली के वार से चूहा बेदम हो गया I

उदास – आज मेरी मााँ का चेहरा कुछ उदास है I

MATHS

Multiplication

10.08.20

Assignments to be done in the notebook.

Please mention REVISION on the top of the work along with the date.

I. Find the product:

I) 0 x 23 = ……..

ii) 15 x 0 = -------

iii) 87 x 3 = -------

iv) 68 x 8 =--------

2. Fill in the blanks:

I) 60 x 1 = ------

ii) 77 x ------ = 0

iii) 1 x --- = 46

iv) 13 x 4 = 4 x -----

https://youtu.be/dXHn_

OHZtyg

11.08.20

3. Multiply:

I) 76 ii) 21 iii) 512 iv) 316

x16 x25 x21 x24

-------- -------- -------- ---------

4. Multiply the following:

I) 28 by 16

ii) 52 by 13

iii) 109 by 15

iv) 319 by 5

12.08.20

13.08.20

14.08.20

15.08.20

Number and

Numeration

17.08.20

5. Find the product : I) 15421 x 6

ii) 2221 x 60

iii) 922 x 920

iv) 14 x 6 x 5

v) 180 x 22 x 2020

6. Multiply:

I) Two hundred eighteen by four hundred two

ii) Five hundred forty by one hundred sixty

iii) One thousand two hundred thirty five by two hundred seventeen

7. Estimate the product:

I) 58 x 19 ii) 29x 21

iii) 623 x 23 iv) 598 x 13

8. A bus has a seating capacity for 58 students. How many students will travel in 16 such

buses of the same capacity?

9. A box contains 276 apples. How many apples can be packed in 175 such boxes?

1.Answer these:

I) Which number comes after 4890?

ii) Which number comes before 9113?

iii) Place value of 2 in 2896?

https://youtu.be/dXHn

_OHZtyg

iv) Predecessor of 100 is ……….

v) The smallest 4 digit number + 12 = ……..

vi) Difference between place value and face value of 4 in 3412 is …………

https://youtu.be/fRZaR

ieJ2A0

18.08.20

19.08.20

20.08.20

21.08.20

22.08.20

2.Write the number name for these numerals:

I) 10,010

ii) 82,886

ii) 1, 23,576

3. Write the smallest five digit number in figures and word.

4. The population of the city is eighty lakhs sixty five thousands. Write numeral for it.

5. Write the place value and face value of each digit in 368,67.

6. Arrange the digits in the set to make the smallest 5 digit number and the greatest 5- digit number.

7. i)Write 47,856,450 according to International system of Numeration.

ii). Write 3,54,245 according to Indian System of Numeration.

8.i) Counting by 100 complete the series:

46,425; 46,525; …………….. ; ……………. ; ……………

ii) Counting by fives complete the series:

72,804; 72,809; ………….. ; ………….. ; ………….

9.Fill in the blanks:

I) 100 thousands = ……… lakh

ii) 70 lakhs = ………… million

iii) 20 millions = …………. crore

iv) 300000 + 4000 + 300 + 20 +7 = ………..

v) Six thousand thirty two =……………

vi) 21,008 ……… 26,008 ( put , =)

10. Compare the following pairs of numbers:

I) 35,827 …….. 35,900

ii) 87,594 …….. 78,888

iii) 2,74,582 ……. 88,877

iv) 2,00,006 ……… 1,50,000

v) 8,46,740 ………… 8,47,000

https://youtu.be/bhyzQc

oyBZ0

24.08.20

25.08.20

Ch.4 Addition

26.08.20

27.08.20

11. Arrange in ascending order:

I) 4,282; 3,694; 15,000; 15,007; 1,30,000

ii) 10,111; 1,00,100; 11,100; 11,101; 11,011

iii) 888; 4,444; 6; 88; 99,999; 9,00,000

12. Arrange in descending order :

i) 1,23,516 ; 2,34,561 ; 2,56,513 ; 3,42,456 ; 3,24,165

ii) 40.570 ; 48,520 ; 50,800 ; 41,725 ; 42,950

iii) 9,98,721 ; 9,99,347 ; 9,99,521 ; 9,98,627 ; 9,99,660

13. Fill in the blanks:

i) The predecessor of the smallest five digit number is …………..

ii) The successor of the greatest five digit number is …………..

iii) The predecessor of the smallest six digit number is …………..

iv) The successor of the greatest six digit number is …………..

14. Write any six digit number. Reverse the digits to get another number. Find which of the two

numbers is greater.

15. Write the smallest five digit number using the digits 7,3,9,5 and 1.

16. Four candidates contested in an election and got the following numbers of votes:

Candidate A : 7,06,563

Candidate B : 9,52,765

Candidate C : 7,35,904

Candidate D : 9,45,882

a.) Which candidate got the maximum votes?

b.) Which candidate got the minimum votes?

1. Fill in the blanks:

I) 4364 + ………. = 4364.

ii) ………. + 0 = 9888.

iii) 8678 + 0 = ………

iv) 9999 + 1 = ………

v) 8438 + ………… = 84440.

vi) 1676 + 300 = ………..

vii) 811 + 9 = ………….

viii) 99 + 1+ 139 = ………..

ix) 922 + 189 = …………

x) Answer of addition operation is called………

xi) The number which are being added are called …….

2. Find the sum:

I) Th H T O ii) Th H T O

5 2 3 4 1 2 5 3

+ 1 4 3 2 + 6 3 4 2

………………….. …………………..

iii)Th H T O iv) Th H T O

4 4 3 6 5 5 4 3

+ 2 5 3 2 + 2 4 5 5

………………….. …………………..

v) Th H T O ii) Th H T O

2 0 1 2 2 1 1 3

5 9 4 2 3 0 5 0

+ 1 0 3 4 + 4 5 0 5

………………….. …………………..

https://youtu.be/fL5wCs-

Ic7M

28.08.20

29.08.20

3. Solve the problems:

ii) Bhim society built 3826 flats in 2012, 6612 flats in 2013 and 3461 flats in 2014. How many

flats in all did the society build?

Iii) In a garden, there are 150 herbs, 1560 shrubs and 500 trees. What is the total number of

plants.

4. Arrange the numbers vertically and add:

I) 1500 +1300 +200

ii) 5231 + 3792 + 1050

iii) 4562 + 523 + 176

https://youtu.be/w3ys

DK_UGXc

https://youtu.be/KG-

gw8HI_GU

Answer Key

8.8.20

I. Find the product:

I) 0 x 23 = 0

ii) 15 x 0 = 0

iii) 87 x 3 = 261

iv) 68 x 8 =544

https://youtu.be/KG-gw8HI_GUhttps://youtu.be/KG-gw8HI_GU

10.08.20

22.08.20

23.08.20

2. Fill in the blanks:

I) 60 x 1 = 60

ii) 77 x 0 = 0

iii) 1 x 46= 46

iv) 13 x 4 = 4 x 13

3. Multiply:

I) 76 ii) 21 iii) 512 iv) 316

x16 x25 x21 x24

-------- -------- -------- ---------

456 105 512 1264

76x 42x 1024x 632x

……… .…… ……… ………

1216 Ans. 525Ans. 10752Ans. 7584Ans.

4.i) 28 ii) 52

x16 x 13

…….. ………

168 156

28x 52x

……… ………

448 Ans. 676 Ans

iii) 109 iv) 319

x 15 x5

……… ……...

545 1595 Ans

109x

………

1635 Ans

5. I) 15421 ii) 2221

x 6 x 60

……….. ………..

92526 Ans. 1332600 Ans. iii) 922 iv) 14 x920 x6

25.08.20

Addition

26.08.20

27.08.20

………. ………. 000 84

1844x x5

8298xx ………..

……….. 420 Ans. 848240 Ans.

v) 180

x 22

………. 36360

360 x 22

000x ……….. 360xx 72720

……….. 72720x 36360 ………..

79920 Ans

6.i) 218 ii) 540

x402 x160

……….. ………..

436 000

000x 3240x

872xx 540xx

……….. ………..

87636 Ans. 86400 Ans.

Iii) 1235

x 217

……….. 8645

1235x

2470xx

……………

267995 Ans.

28.08.20

29.08.20

12.08.20

7.i) 58 x 19 ii) 29 x 21

60 30

x 20 x 20

……… ……..

00 00

120x 60x

…….. ……...

1200 Ans. 600 Ans.

Iii) 623 x 23 iv) 598 x 13

600 600

x 20 x 10

……… ……….

000 000

1240x 600x

………. ……….

12400 Ans. 6000 Ans.

8. Capacity of a bus = 58 students

Number o buses = x16

..……

348

+58x

………….

Total students = 928 students Ans.

9. Capacity of I box = 276

Number of boxes =x 175

………

1380

1932x

276xx

………….

48300 apples Ans.

13.08.20

14.08.20

1.i ) 4891 ii) 9112 iii) 2000

iv) 99 v) 1000 + 12 = 1012

vi) 400 – 4 = 396

2.i ) Ten thousand ten

ii) Eighty two thousand eight hundred eighty six.

iii) One lakh twenty three thousand one hundred thirty two.

3. 10,000 = Ten thousands

4. 80,65,000

5.Place value Face value

3 – 30000 3 - 3

6 - 6000 6 - 6

8 – 800 8 - 8

6 – 60 6 - 6

7 - 7 7 – 7

6. Smallest five digit number: 12,368

Greatest five digit number : 86,321

7.i ) Forty seven million eight hundred fifty six thousand four hundred fifty.

ii) Three lakh fifty four thousand two hundred forty five.

8.i) 46, 625; 46, 725; 46, 825.

ii) 72, 814; 72, 819; 72, 824.

9.i ) 1

ii) 7

iii) 2

iv) 304327

v) 6032

vi) <

15.08.20

Number and

Numeration17.08

.20

18.08.20

19.08.20

10.i ) <

ii) >

iii) >

iv) >

v) <

11.i ) 3, 694; 4,282; 15,000; 15, 007; 1,30,00.

ii) 6; 88; 888; 4,444; 99,999; 9,00,000.

12.i ) 3,42,456; 3,24,165; 2,56,513; 2,34,561; 1,23,516.

ii) 50,800; 48,520; 42,950; 41,725; 40,570.

iii)9,99,616; 9,99,521; 9,99,347; 9,98,721; 9,98,627

13.i ) 9999 ii) 100000

iii) 99999 iv) 999998

14. Six digit number = 4,56,321

reverse of 456321 is = 1,23,456

4,56,321 is greater.

15. Smallest five digit number = 13795

16.i ) Candidate B

ii) Candidate A

1.i ) 0 ii) 9888 iii) 8678

iv) 10000 v) 2 vi) 1976

vii) 820 viii) 239 ix) 1111 x) sum

2.I) Th H T O ii) Th H T O

5 2 3 4 1 2 5 3

+ 1 4 3 2 + 6 3 4 2

………………….. …………………..

6 6 6 6 7 5 9 5

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21.08.20

iii)Th H T O iv) Th H T O

4 4 3 6 5 5 4 3

+ 2 5 3 2 + 2 4 5 5

………………….. …………………..

6 9 6 8 7 9 9 8

v) Th H T O ii) Th H T O

2 0 1 2 2 1 1 3

5 9 4 2 3 0 5 0

+ 1 0 3 4 + 4 5 0 5

………………….. …………………..

8 9 8 8 9 6 6 8

3.i ) Number of flats built in 2012 = 3826

Number of flats built in 2013 = 6612

Number of flats built in 2014 = +3416

……….

13899

Therefore 13899 flats built by Bhim Society .

ii) Number of herbs in the garden = 1500

Number of shrubs in the garden = 1560

Number of trees in the garden = + 500

……….

3560

Therefore 3560 plants are there in a garden.

4.i) Th H T O ii) Th H T O

1 5 0 0 5 2 3 1

1 3 0 0 3 7 9 2

+ 2 0 0 + 1 0 5 0

. .…………. …………….

3 0 0 0 Ans. 1 0 0 7 3

iii) Th H T O

4 5 6 2

5 2 3

+ 1 7 6

……………..

5 2 6 1

EVS Ch-9 : LIGHT

17.8.20

19.8.20

24.8.20

26.8.20

REVISION ASSIGNMENTS

Do it in your EVS notebook

FILL IN THE BLANKS

1. Light always travels in a __________line.

2. The ________is the main source of light on the Earth.

3. A tube light is _______________source of light.

4. Shadows are shortest at _________.

5. Visible light can be split into __________ colours.

6. A chair is an example of a ____________object.

7. An electric bulb is an example of a _________object.

GIVE ONE EXAMPLE OF EACH

1.Opaque object- ____________

2.Non-Luminous object- ____________

3.Luminous object- ____________

4.Transparent object- ____________

III. DEFINE

1. Non-luminous objects

2. Shadow

3. Reflection

4. Opaque objects

IV. WRITE TRUE OR FALSE

1. Wood is a transparent material. ________

2. Light helps us to see things around us. ________

31.8.20

3. Translucent objects do not allow light to pass through them. ________

4. Light travels in a straight line. ________

5. Shadows are the longest at noon when the sun is

overhead. _________

6. The moon appears to move in the sky from morning to evening. ________

V. MATCH THE FOLLOWING

1. wood a. shortest shadow

2. butter paper b. transparent object

3. star c. opaque object

4. noon d. translucent object

5. clear water e. luminous object

VI. ANSWER THE FOLLOWING QUESTIONS

1. What is the speed of light?

2. What are the three things essential for a shadow to be formed?

3. What is reflection of light?

4. How can we see an opaque object?

5. What are two main sources of light?

6. What is the difference between opaque and transparent objects?

DIAGRAMS

Draw two luminous and non-luminous objects

ANSWER KEY

I.FILL IN THE BLANKS

1. Straight 2.Sun 3. Artificial 4. Noon 5.seven

6. Non-luminous 7. luminous

II.GIVE ONE EXAMPLE OF EACH

Wood 2. Chair 3. Sun 4. clear water

III.DEFINE

Non-Luminous objects- Objects that do not have their own light. For eg: book, table, chair,

etc.

Shadow- The darkness that an opaque object causes, when it blocks the path of light.

Reflection- The bouncing back of light on striking an opaque object.

Opaque objects – An object which does not allow light to pass through it is called an opaque

objects. For eg: tree, stone, door, etc.

IV.WRITE TRUE OR FALSE

1.False 2.True 3.False 4.True 5.False 6.False

V.MATCH THE FOLLOWING

1. c 2. d 3. e 4. a 5. b VI. ANSWER THE FOLLOWING QUESTIONS

Ans1. The light travels at the speed of 300000 km per second.

Ans.2 Three things essential for shadow to be formed are:-

i. Source of light

ii. Opaque object (whose shadow is to be formed)

iii. Screen (on which shadow will be formed).

Ans3. When light falls on the surface of an opaque object it bounces back. This is known as

reflection of light.

Ans4. When light falls on an opaque object, the object reflects that light and the reflected light

reaches our eyes and we can see an opaque object.

Ans5. The two main sources of light are-

i. Natural sources of light and

ii. Man-made sources of light

Ans6. Difference between opaque and transparent

Objects are as follows :-

Opaque object Transparent object

They do not allow

any light to pass

through them. Eg.-

wood

They allow light to pass

through them

completely. Eg.-glass

SOCIAL STUDIES

Ch-8: Our

Country-India

1.) Fill in the blanks:-

a) Telangana was formed on ____________.

Ans-2nd June 2014

b) India is also known as ___________.

Ans- Bharat

c) ___________ is the seventh largest county in the world.

Ans- India

d) ___________ is the largest state in India.

Ans- Rajasthan

e) Shimla is a capital of ___________.

Ans- Himachal Pradesh

f) __________ and __________ country lies to the east of India.

Ans- Myanmar and Bangladesh

2) Write True and False:-

a) Population of India is 1.2 million approx. False

b) Kerala is the state with highest literacy rate. True

c) Patna is a capital of West Bengal.

Ans- False

d) Goa is a smallest state of India.

Ans- True

https://youtu.be/SzbES1

MKguA

DIRECTOR ACADEMICS

e) India is a part of an Asia continent.

Ans- True

3) Write capita of these states:-

a) Nagaland - Kohima

b) Tripura - Agartala

c) Manipur - Imphal

d) Uttarakhand - Dehradun

e) Meghalaya – Shillong

4) Give one word answer:-

a) Act of governing the state.

Ans- Governance

b) A half of the earth divided into north and south by an imaginary line.

Ans- Hemisphere

c) They are the administrative units ruled directly by the central government.

Ans- Union Territories

d) A large part of the continent.

Ans- Subcontinent